WATCH LIVE: Tune in to learn the latest on @NASA’s plans for me on our quest to find out what’s inside #Mars, how it formed, and if there are #marsquakes. Don’t miss it, today at 2pm PT https://go.nasa.gov/2FQ9T0U pic.twitter.com/3spu34vdYm
1:47 PM - 29 Mar 2018
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